diff --git a/test/parallel/test-source-map-api.js b/test/parallel/test-source-map-api.js
index b81c1bb06efffd..f66a9af94784c7 100644
--- a/test/parallel/test-source-map-api.js
+++ b/test/parallel/test-source-map-api.js
@@ -99,17 +99,17 @@ const { readFileSync } = require('fs');
   assert.notStrictEqual(payload.sources, sourceMap.payload.sources);
 }
 
-// findEntry() must return empty object instead error when 
+// findEntry() must return empty object instead error when
 // receive a malformed mappings.
 {
   const payload = JSON.parse(readFileSync(
     require.resolve('../fixtures/source-map/disk.map'), 'utf8'
   ));
-  payload.mappings = ";;;;;;;;;"
+  payload.mappings = ';;;;;;;;;';
 
   const sourceMap = new SourceMap(payload);
   const result = sourceMap.findEntry(0, 5);
-  assert.strictEqual(typeof result, "object");
+  assert.strictEqual(typeof result, 'object');
   assert.strictEqual(Object.keys(result).length, 0);
 }